78668961

素因数分解:

$3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{7331}}^1$

素因数の和:7421

約数の個数: 24

約数和(自身を含む): 123705504

約数和(自身を除く): 45036543

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 511, 1533, 3577, 7331, 10731, 21993, 51317, 153951, 359219, 535163, 1077657, 1605489, 3746141, 11238423, 26222987, 78668961]

約数ペア:

[(1, 78668961), (3, 26222987), (7, 11238423), (21, 3746141), (49, 1605489), (73, 1077657), (147, 535163), (219, 359219), (511, 153951), (1533, 51317), (3577, 21993), (7331, 10731)]